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Zufallsfotos
Copahue Vulkan
Schichtvulkan 2997 m / 9,833 ft
Chile/Argentina, -37.85°S / -71.17°W
Aktueller Status: unruhig (2 von 5)
Copahue Webcams / aktuelle Daten | Berichte
Copahue Vulkan-Videos
Copahue Vulkan-B cher
Ausbrüche des Copahue:
2000, 1992, 1961, 1937, 1867(?), 1759(?), 1750
Typische Aktivität:
explosive
Letzte Erdbeben in der Nähe
Letzte Satellitenbilder
 

Copahue volcano news & activity updates

Copahue volcano (Chile): new ash emissions, increase in activity

Samstag Nov 21, 2015 12:02 | VON: T

Ash emission from Copahue volcano last night
Ash emission from Copahue volcano last night
An increase in activity occurred at the volcano during the past two days. Starting Thursday evening, a new pulse of volcanic tremor was detected and ash emissions began during the night Thu-Friday around 3 am.
At 03:40, a larger explosive event and emission took place that produced a plume of ash rising approx. 1 km. Also, some incandescent material was seen ejected. Until now, mild ash emissions seem to continue as near-continuous.
Whether this new phase of activity involves fresh magma or only pulverized older rocks is unknown for the time being (until ash analyses have been made), but SERNAGEOMIN already reported that new magma was partially present in ash emissions earlier in October.
Since early November, volcanologists monitoring the volcano have detected intermittent pulses of volcanic tremor and an increase in SO2 output of the volcano, both indications that new magma has been moving closer to the surface under the volcano.
The alert level remains at yellow and an exclusion zone of 2.5 km radius around the El Agrio crater is in place. The ash falls have been causing problems for the operations of the Caviahue ski resort.
Vorherige Nachrichten
Ash/steam plume from Copahue last evening
Sonntag, Okt 18, 2015
Intermittent ash emissions that resumed on 6 Oct, continue from the El Agrio crater and incandescence (from hot gasses) is visible at night. The ash/steam plume has been reaching heights of up to 1 km. ... [mehr]
Ash plume from Copahue volcano on 3 Oct 2015
Montag, Okt 05, 2015
Activity, both internal and external, has picked up at the volcano. Small, intermittent ash emissions have been observed during the past days, accompanied by a significant increase in tremor related to fluid movements within the volcanic edifice. ... [mehr]
Screenshot of a video from 3 Dec looking at the erupting vent in Copahue's crater (Robin Campion, Univ. Mexico)
Donnerstag, Dez 04, 2014
A recent video by Robin Campion (Univ. Mexico) shows that the activity at the volcano is now magmatic in nature, i.e. fresh magma is being erupted as a small jet of mostly finely fragmented incandescent ash: ... [mehr]
Ash emission from Copahue this morning
Mittwoch, Dez 03, 2014
The volcano continues to produce steam and ash emissions of varying intensity. Phases of hour-long continuous ash emissions have become more frequent recently and incandescence is often visible from the El Agrio crater at night: ... [mehr]
Mittwoch, Nov 19, 2014
The volcano remains restless. Intermittent small to moderate ash emissions from the El Agrio crater and night-time glow continue to be observed at the volcano. ... [mehr]

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